<template>
  <li>
    <label>
        <!-- 方式一 -->
      <!-- <input type="checkbox" :checked="todo.isDone" @change="checkOne(todo.id)"/> -->
      <!-- checkOne方式二 -->
      <!-- <input type="checkbox" :checked="todo.isDone" @change="todo.isDone=!todo.isDone"/> -->
      <!-- 方式三： v-model -->
      <input type="checkbox"  v-model="todo.isDone"/>
      <span>{{todo.title}}</span>

    </label>
    <button class="btn btn-danger"
            style="display:none" @click="deleteTodo(todo.id)">删除</button>
  </li>
</template>
  
  <script>
export default {
  name: 'Item',
//   props: ['todo','deleteTodo','checkOne'],
  props: ['todo','deleteTodo'],
}
</script>
  
<style scoped>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}

li:hover button{
    display: block !important;
}
</style>